Patent · US Expired

Rotary engine model

USD244760S · kind S · design

4Cited by
0References
1Claims
0Family size

Inventor

Key dates

Filing dateMar 24, 1975
Grant dateJun 21, 1977
Priority date
Expiry dateJun 21, 1991

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.